ESPHome modbus application for Home Assistant integration for the Solis Mini 2000 4G solar inverter
- ESP32 (I use a Wemos Lolin D32)
- MAX485 board (I've desoldered the connector and soldered the wires directly)
- 4-pin connector (harvested from the original dongle)
Connect
| ESP32 | MAX485 |
|---|---|
| 16 | RO |
| 17 | DI |
| 4 | DE & RE |
| 3.3V | VCC |
| GND | GND |
| ESP32 | connector |
|---|---|
| USB | Red |
| GND | Black |
| MAX485 | connector |
|---|---|
| A | Yellow |
| B | Blue |
- Create secrets.yaml file with:
ssid: "xxx"
password: "xxx"
fallbackpassword: "xxx"
myPw: "xxx"
And replace xxx with your data